Process for the preparation of alcohols in two stages

Details Process for the preparation of alcohols in two stages Process for the preparation of alcohols in two stages

1992-01-17

1995-12-12

Cook, Rebecca

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568883, C07C 3102, C07C 29136, C07C 2914

Patent

active

054751616

ABSTRACT:
A process for the preparation of alcohols by reaction of organic carbonyl compounds with hydrogen in two stages at elevated temperature and, optionally, elevated pressure. In the first stage, hydrogen and the carbonyl compounds are fed as a gas to a copper-containing catalyst and reacted to 80 to 99.5 percent of the theoretical conversion. In the second stage, the reaction product of the first stage is fed to a nickel/alumina/zirconium dioxide catalyst as a liquid, along with hydrogen. The carbonyl compounds used include aldehydes and their derivatives and, in particular, aliphatic unsaturated and saturated aldehydes.

REFERENCES:
patent: 3591656 (1971-07-01), Kroll
patent: 3978149 (1976-08-01), Mertzweiller et al.
patent: 4684750 (1987-08-01), Kessen et al.

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